DS-300A Three in One Water Quality Detector

1、 Instrument description:
DS-300A 型三合一水质检测仪By combining classic colorimetric methods with computer technology and applying the principle of microcomputer optoelectronic colorimetric detection to replace traditional visual colorimetric methods, human errors are eliminated and measurement resolution is greatly improved. The automation of the measurement process has been achieved. It can be widely applied to the monitoring of sewage outlets of factories and mining enterprises, the monitoring of imports and exports of urban sewage treatment plants, the monitoring of water quality of Rivers and Lakes, and the process control of sewage treatment facilities.

2、 Main functional features:
● Large screen LCD backlit display, pure Chinese operation interface, user-friendly program design.
The measurement range is wide and can be automatically switched according to the actual situation of the water sample.
The calibration mode from 1 o'clock to 7 o'clock automatically calculates slope, intercept, and correlation coefficient, with high measurement accuracy.
Intelligent design for fault self diagnosis makes instrument management and maintenance simple and convenient.
● Large capacity data storage, power outage protection design ensures that the instrument is not damaged and data records are not lost.
Strong anti-interference ability, suitable for industrial sites.
It can be widely used for monitoring surface water and pollution sources.
Using * semiconductor cold light source emitter, the lifespan of the light source can reach tens of thousands of hours.
Can connect to a computer to export measurement data, and can connect to a printer to automatically print measurement data.
Low reagent usage, low operating costs, and strong anti-interference ability.

IIIDS-300A 型三合一水质检测仪Main parameters:

Ammonia nitrogen parameters:
Measurement method: Nessler's colorimetric method;
Measurement range: (0-50mg/L);
Measurement error: ≤± 5%
Curve parameters: 100 measurement curve parameters can be set;
Calibration: 1-7 point calibration mode, automatically correcting curve values;
Built in real-time clock, with a monthly cumulative error of less than 10 seconds;
Record storage: can store 10000 measurement results, data loss due to power outage;
Printing: Portable printer, directly printing measurement results(Optional)；
Communication method: RS232, which can upload measurement results to a computer for user statistical analysis;
Display: 240 * 128 large blue backlit display, Chinese operation interface;
Environmental temperature: (5~40) ℃; Environmental humidity: relative humidity<85% (no condensation);
Working power supply: AC220V ± 10%/50Hz, DC+8V, DC power supply can work continuously for 48 hours.

COD parameters:
Measurement method: Rapid catalytic method (chromium method);
Measurement range: 5~2500 mg/L (diluted measurement when>1000 mg/L);
测量误差： 5~100 mg/L， 误差≤ ±5 mg/L; 100 mg/L~2500 mg/L， 相对误差≤±5 %
Dissolving temperature: 165 ± 1 ℃; Dissolving time: 10 minutes;
Measurement time: Simultaneously measure 12 water samples within 30 minutes;
抗氯干扰： [CL-] ＜1000mg/ L； [CL-] ＜4000mg/ L（可选配）；
Temperature indication error ＜ ± 1 ℃;
Temperature field uniformity ≤ 2 ℃;
The error of the digestion time indication is ≤± 2%;
Curve parameters: 100 measurement curve parameters can be set;
Record storage: capable of storing 10000 measurement results.
Printing: Portable printer, directly printing measurement results(Optional)；
Environmental temperature: (5~40) ℃; Environmental humidity: relative humidity<85% (no condensation);
Working power supply: AC220V ± 10%/50Hz;

Total phosphorus parameters:
Measurement method: Ammonium molybdate spectrophotometric method;
Measurement range: 0.01mg/L to 10mg/L;
Measurement error: ≤± 5%;
Dissolving temperature: 120 ± 1 ℃; Dissolving time: 30 minutes;
Temperature indication error ＜ ± 1 ℃;
Temperature field uniformity ≤ 2 ℃;
The error of the digestion time indication is ≤± 2%;
Curve parameters: 100 measurement curve parameters can be set;
Record storage: capable of storing 10000 measurement results.
Printing: Portable printer, directly printing measurement results(Optional)；
Environmental temperature: (5~40) ℃; Environmental humidity: relative humidity<85% (no condensation);
Working power supply: AC220V ± 10%/50Hz;

Note: It can be used as a two in one detector that combines three or any two indicators of COD, ammonia nitrogen, and total phosphorus